La Sportiva Ultra Raptor II GTX Review

Overview

The Ultra Raptor II GTX is La Sportiva’s low-top, technical hiking shoe built for hikers who want trail-runner agility with more structure underfoot for scrambling and off-trail travel. It’s descended from a shoe that was originally developed as a mountain trail running shoe and became a bit of a legend in the running world for its balance of cushioning, support, protection and traction. This version wraps that platform in a Gore-Tex Extended Comfort liner and pairs it with La Sportiva’s sticky FriXion XF 2.0 rubber, making it a fit for hikers who spend serious time on rock, scree, and mixed alpine terrain rather than groomed gravel paths.

Key Specs

Spec	Detail
Weight	746 g (pair, per manufacturer)
Waterproofing	GORE-TEX Extended Comfort membrane
Heel stack height	27 mm
Forefoot stack height	16 mm
Drop	11 mm
Lug depth	6 mm
Outsole	FriXion XF 2.0 with Impact Brake System
Midsole	Injected EVA (MEMlex)

Performance

Traction: This is where the Ultra Raptor II earns its keep. Reviewers consistently single out the outsole as a standout feature — RunRepeat’s lab testing found the shoe to be a mighty hiking shoe that can bite and hold up against many trail obstacles above the treeline, making testers feel surefooted and well-protected on both rock-heavy and slippery trails. On the Mid version (which shares the same outsole and last), OutdoorGearLab similarly praised the compound, noting outstanding traction in mountain terrain and a Frixion XF 2.0 rubber compound that is hearty and durable. If your trip involves slabs, talus, or wet rock, this outsole is a genuine asset — it’s designed for grip first, everything else second.

Durability trade-off: That aggressive rubber isn’t free. RunRepeat flagged long-term outsole wear as long-term outsole durability, the only characteristic that holds this La Sportiva back from being the ultimate shoe for technical terrain. In practice, this tracks with what you’d expect from any stickier, softer rubber compound — it grips better but wears faster than a harder-compound shoe like a Salomon X Ultra. Budget for resoling or replacement sooner if you’re putting on serious mileage on abrasive terrain like granite or sandstone.

Fit: The Ultra Raptor II runs narrow, and this shows up again and again across reviews. Switchback Travel found the boots run noticeably narrow at the forefoot and were prone to slippage in softer surfaces like mud. Better Trail’s tester had a similarly blunt first impression, describing the shoe as feeling narrow, stiff, and uncushioned—definitely not love at first step, though comfort improved with mileage. If you have a wide or splay-prone forefoot, La Sportiva does offer wide-width versions of related models, and it’s worth trying those before committing to standard width.

Break-in and comfort: Don’t expect all-day comfort straight out of the box the way you might with a Merrell Moab. Multiple testers describe a genuine adjustment period — Better Trail noted the shoe wasn’t thinking about the fit anymore by mile two, and by mile seven, it actually felt comfortable, with a bit of a break-in period before it softens up. The upper and midsole lean minimalist by design — as Better Trail put it, the shoe leans minimalist in design, with thin padding in the collar and tongue and a firm, low-profile underfoot feel. That’s consistent with the shoe’s trail-running DNA: it’s built for protection and precision, not plush cushioning.

Cushioning and stack: At 27mm/16mm (11mm drop), the stack heights sit in trail-runner territory rather than max-cushion hiking shoe territory. That’s intentional — this is a shoe designed to keep you close to the ground for technical footing, not to soak up miles of hardpack fire road. If you’re coming from a plush daily trainer, expect a firmer, more connected ride.

Waterproofing: The GORE-TEX Extended Comfort membrane performs as expected for a GTX liner — reliably waterproof with reasonable breathability, though as with any waterproof-breathable shoe, expect some clamminess on hot, high-output days. None of the reviews surfaced complaints specific to this shoe’s membrane, which is itself a decent sign — no news is good news with GTX liners.

Pros & Cons

Pros

• Exceptional grip on rock, scree, and mixed technical terrain thanks to FriXion XF 2.0 rubber
• Trail-runner agility and low weight relative to its protection level
• GORE-TEX Extended Comfort keeps feet dry without excessive bulk
• Structured, protective toe cap and heel counter for off-trail scrambling
• La Sportiva’s lacing system distributes tension well and helps avoid hot spots

Cons

• Narrow last — a dealbreaker for wide or splay-prone feet
• Break-in period required; not immediately plush out of the box
• Sticky rubber compound sacrifices some long-term outsole durability
• Firm, minimal cushioning that some hikers will find under-padded for long hardpack miles
• Premium price point that’s hard to justify if you’re mostly hiking maintained trails

Who Should Buy This

This shoe is for hikers and fastpackers who spend real time off-trail, on scrambles, or above treeline where foot placement and grip matter more than plush cushioning. If your typical hike is a well-graded state park loop, this is overkill — RunRepeat’s own advice is blunt: if you are in search of a shoe for easy hikes on hard-packed trails, skip the Ultra Raptor II GTX in favor of a less technical hiking shoe, which will save you money and unnecessary bulk. But if you’re chasing summits, navigating talus fields, or want one shoe that can handle both trail running and technical hiking, it’s a strong fit — provided your feet aren’t wide.

Verdict

The Ultra Raptor II GTX delivers exactly what it promises: best-in-class traction and trail-runner nimbleness in a package protective enough for technical, off-trail terrain. The narrow fit and firm, minimal-cushion ride won’t suit everyone, and the outsole’s grippy compound trades away some longevity — but for hikers who prioritize footing security over cushioned comfort, it’s one of the more capable technical hiking shoes on the market. I’d rate it a 7.8/10: outstanding for its intended use case, but a poor match if you’re not the target hiker.